linux-toradex.git/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h, branch v5.5-rc7 Linux kernel for Apalis and Colibri modules drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub 2019-11-22T19:55:19+00:00 changzhu Changfeng.Zhu@amd.com 2019-11-19T02:18:39+00:00 6c2c8972374ac5c35078d36d7559f64c368f7b33 SW must acquire/release one of the vm_invalidate_eng*_sem around the invalidation req/ack. Through this way,it can avoid losing invalidate acknowledge state across power-gating off cycle. To use vm_invalidate_eng*_sem, it needs to initialize vm_invalidate_eng*_sem firstly. Signed-off-by: changzhu <Changfeng.Zhu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 
SW must acquire/release one of the vm_invalidate_eng*_sem around the
invalidation req/ack. Through this way,it can avoid losing invalidate
acknowledge state across power-gating off cycle.
To use vm_invalidate_eng*_sem, it needs to initialize
vm_invalidate_eng*_sem firstly.

Signed-off-by: changzhu <Changfeng.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drm/amdgpu: Add comments to gmc structure 2019-11-07T23:08:07+00:00 Oak Zeng Oak.Zeng@amd.com 2019-11-06T17:18:54+00:00 f6baa07497fbebcc05096097dfd9f32b8caa50b1 Explain fields like aper_base, agp_start etc. The definition of those fields are confusing as they are from different view (CPU or GPU). Add comments for easier understand. Signed-off-by: Oak Zeng <Oak.Zeng@amd.com> Reviewed-by: Alex Deucher <Alex.Deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Explain fields like aper_base, agp_start etc. The definition
of those fields are confusing as they are from different view
(CPU or GPU). Add comments for easier understand.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Alex Deucher <Alex.Deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Report vram vendor with sysfs (v3) 2019-10-07T20:11:07+00:00 Ori Messinger Ori.Messinger@amd.com 2019-10-02T14:02:07+00:00 ad02e08e05781c3dabe7853f39cffb69169e96b2 The vram vendor can be found as a separate sysfs file at: /sys/class/drm/card[X]/device/mem_info_vram_vendor The vram vendor is displayed as a string value. v2: Use correct bit masking, and cache vram_vendor in gmc v3: Drop unused functions for vram width, type, and vendor Signed-off-by: Ori Messinger <ori.messinger@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
The vram vendor can be found as a separate sysfs file at:
/sys/class/drm/card[X]/device/mem_info_vram_vendor
The vram vendor is displayed as a string value.

v2: Use correct bit masking, and cache vram_vendor in gmc
v3: Drop unused functions for vram width, type, and vendor

Signed-off-by: Ori Messinger <ori.messinger@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: implement common gmc_ras_late_init 2019-10-03T14:11:03+00:00 Tao Zhou tao.zhou1@amd.com 2019-09-18T10:31:07+00:00 ba0834921400613839b28b572fdb713281b473d9 common gmc_ecc_late_init can be shared among all generations of gmc v2: rename gmc_ecc_late_init to gmc_ras_late_init Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
common gmc_ecc_late_init can be shared among all generations of gmc

v2: rename gmc_ecc_late_init to gmc_ras_late_init

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add common gmc_ras_fini function 2019-10-03T14:11:02+00:00 Tao Zhou tao.zhou1@amd.com 2019-09-12T09:39:47+00:00 2adf13440accfc2666749107c6557a3965e920cc gmc_ras_fini can be shared among all generations of gmc Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
gmc_ras_fini can be shared among all generations of gmc

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: move mmhub_ras_if from gmc to mmhub block 2019-10-03T14:11:02+00:00 Tao Zhou tao.zhou1@amd.com 2019-09-12T09:21:46+00:00 65bc47a6599402bac88f6812bf5ec36e307d8001 mmhub_ras_if is relevant to mmhub Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
mmhub_ras_if is relevant to mmhub

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: move umc_ras_if from gmc to umc block 2019-10-03T14:11:02+00:00 Tao Zhou tao.zhou1@amd.com 2019-09-12T08:34:08+00:00 03740baab3b574ed40f39bb9eda715bb32045337 umc_ras_if is relevant to umc Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
umc_ras_if is relevant to umc

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: initialize ras structures for xgmi block (v2) 2019-09-16T15:08:51+00:00 Hawking Zhang Hawking.Zhang@amd.com 2019-09-10T03:13:39+00:00 029fbd437eb6a8cd20d983bdbf0037a9417ef2ee init ras common interface and fs node for xgmi block v2: remove unnecessary physical node number check before invoking amdgpu_xgmi_ras_late_init Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
init ras common interface and fs node for xgmi block

v2: remove unnecessary physical node number check before
invoking amdgpu_xgmi_ras_late_init

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: move umc late init from gmc to umc block 2019-09-16T15:06:03+00:00 Tao Zhou tao.zhou1@amd.com 2019-09-05T11:16:19+00:00 86edcc7dba53995ea9448e535d7eb21dff5245d0 umc late init is umc specific, it's more suitable to be put in umc block Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
umc late init is umc specific, it's more suitable to be put in umc block

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: cleanup PTE flag generation v3 2019-09-16T14:59:29+00:00 Christian König christian.koenig@amd.com 2019-09-02T14:39:40+00:00 cbfae36ceac95d0a68e679e98a36632e04f18f1f Move the ASIC specific code into a new callback function. v2: mask the flags for SI and CIK instead of a BUG_ON(). v3: remove last missed BUG_ON(). Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Move the ASIC specific code into a new callback function.

v2: mask the flags for SI and CIK instead of a BUG_ON().
v3: remove last missed BUG_ON().

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>